Answer:
-4
Step-by-step explanation:
The number that is by itself is always the y-intercept
260 was its original prize.
Answer:
Step-by-step explanation:
Add the fractions by finding the greatest common factor of them all. if not any break up into 2 then add the other fraction to i
Answer:
15x-45+7
Step-by-step explanation:
You would add the 10x and the 5x im pretty sure that would simplify it
Answer:
Total charge= -25
Step-by-step explanation:
Given :
Charges of some ions
Aluminium +3
Phosphate -3
Chloride -1
Silver +1
To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms
Aluminium +3 × 2 =+6
Phosphate -3 × 8 = -24
Chloride -1 × 7 = -7
total charge=
+6-24-7 =+6 -31
= -25